The optimized solution for safety critical operations

Double Tube Safety Heat Exchangers

The product line Double Tube Systems comprises various types of shell-and-tube heat exchangers and skid systems. Our products are designed and manufactured in close cooperation with our customers with our focus on achieving joint success devoted to developing technical improvements.

Kelvion Double Tube Heat Exchanger
Kelvion Double Tube Heat Exchanger
Kelvion Double Tube Heat Exchanger
Kelvion Double Tube Heat Exchanger
Kelvion Double Tube Heat Exchanger
Kelvion Double Tube Heat Exchanger

Unlike tube bundles of single-wall design, double-tube bundles are provided with two tube sheets at each end. If a tube wall shows a leak, the product flows through fine ducts arranged between the double tubes into the leakage collection space and triggers a check command. However, the second remaining undamaged tube keeps the product separated from the second fluid. The plant operator may continue to run the heat exchanger until the next scheduled maintenance, thus avoiding cost-intensive shutdown times.

An excellent proof of this technology are new safety standards for chemical processing, power producing and gas preheating facilities.

Double-tube heat exchangers, which are available in many different materials, cover a large spectrum of applications.

Our customers can fully focus on developing optimum equipment and process designs. In partnership and close consultation, we optimize the thermo technical equipment in ecological and economic terms, while making sure that all applicable regulations are complied. Our entire range of products is continuously adapted to changing market requirements. In addition, we develop new and future-oriented products, which often incorporate patented improvements in important details.

Advantages
  • Safe separation of two media in one heat exchanger
  • Fast indentification of leaks
  • Operation without risk for the overall process and/or environment
  • No intermediate circuits needed
  • Wide pressure and temperature application range
Get in touch with Kelvion in United States of AmericaOr give us a call +1 800 774 0474
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Safety Cooler PDT-type

The Bloksma P-DT compact double tube heat exchanger range offers a high heat transfer rate at low cost and short lead times. Due to its modular design it is suitable for both clean water and seawater applications. It is designed according to AD2000 design code in a copper low fin execution or a carbon steel plain tube execution where copper is not compatible with the shell side medium. The material choice for the inner tube can be chosen independently and is typically cupronickel, carbon steel or stainless steel depending on application.
When a different design code is required (e.g. ASME VIII Div.1 ) or the specifications fall outside the limits of the compact range, we provide customized varieties of this heat exchanger in both low fin and plain tube execution.

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